/usr/lib/ is in systemd 44-11+deb7u4.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/systemd/user/
/usr/lib/tmpfiles.d/
/usr/lib/tmpfiles.d/legacy.conf
/usr/lib/tmpfiles.d/x11.conf
/usr/lib/tmpfiles.d/systemd.conf
/usr/lib/tmpfiles.d/debian.conf
/usr/lib/tmpfiles.d/tmp.conf
/usr/lib/systemd/
/usr/lib/systemd/user/exit.target
/usr/lib/systemd/user/default.target
/usr/lib/systemd/user/exit.service
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/systemd/
/usr/lib/x86_64-linux-gnu/systemd/user-generators/
/usr/lib/modules-load.d/
/usr/lib/binfmt.d/
/usr/lib/sysctl.d/
/usr/lib/systemd/user/shutdown.target
/usr/lib/systemd/user/sockets.target
/usr/lib/systemd/user/sound.target
/usr/lib/systemd/user/printer.target
/usr/lib/systemd/user/bluetooth.target